Bump webpack-dev-server from 2.11.2 to 3.1.11#3

dependabot[bot] wants to merge 2 commits intomastercpswarm/launcher:masterfrom

dependabot/npm_and_yarn/webpack-dev-server-3.1.11cpswarm/launcher:dependabot/npm_and_yarn/webpack-dev-server-3.1.11Copy head branch name to clipboard